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Connection Examples - JVC TK-1280E Service Manual

Color video camera head

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Lens that can be used
e The TK-1180E
can
use
C-mount
lenses when
the C-mo-
unt adapter (standard accessory ) is installed. when
rem-
oved, CS-mount lenses can also be used.
e Use a suitable lens for the required area of view. The area of
view for different focal lengths can be obtained using the fol-
lowing formulae.
(Use as reference data, when the distance
between camera and object is more than 100 times the focal
length.)
In the case of using a 1/3" lens
Height of the
3.6 x Distance between camera and object (m)
area of view (m)
Focal length of lens (mm)
Width of the
4.8 x Distance between camera and object (m)
area of view (m)
=
Focal iength of lens (mm)
CONNECTION EXAMPLES
Notes:
e Use video-iris lenses powered by DC 9 V-10 V with a
power consumption of 50 mA or less.
L in the illustration below should be as shown in the fol-
lowing table. If L exceeds the value in the table, it may
damage the inside of the camera and correct mounting
may be impossible; never use such tenses. Be sure not
to attach the C-mount adapter when using a CS-mount
lens.
Recommended
focal point
Fiange-back | Distance L |
L
C-mount
17. rey
lens*
CS-mount
lens**
Less than
9mm
Less than
4mm
Flange- rback + With the ea
adapter attached.
** With the C-mount adapter removed.
e Lenses designed for colour video cameras are recom-
mended. Lenses designed for B/W cameras may have
inferior colour reproduction and picture quality. In partic-
ular, they are not suitable for use outdoors or in very
bright conditions. When using a Jens with an ND filter
attached, shooting may not be possible with the mini-
mum required illumination specified.
17
e Do not turn any component's power on until all connections are completed.
e Also read the Instruction manuals of ail the equipment used carefully.
Example 1: When a single camera is used
Video-level-sensing auto-iris lens
{or galvanometric auto-iris lens)
To VIDEO IRIS connector
(or DC IRIS connector)
To VIDEO input connector
(or S-VIDEO input connector)
17

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This manual is also suitable for:

Tk-1180eTk-1281eg